<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.14/vue.js"></script>
</head>

<body>
  <div id="app">
    <input @input="handleInput" @keyup.enter="handleEnter" />
  </div>
</body>
<script>
  new Vue({
    el: '#app',
    methods: {
      handleInput(e) {
        console.log(e.target.value)
      },
      handleEnter() {
        console.log('点击了回车')
      }
    },
  })
</script>

</html>
